11.6.8. Parallel Ringing of Exchange Calls if FWD/FNANS Activated to CCM
in Meet-me Operation 
Direct-dialled calls from digital and analog exchanges to users who
have activated call forwarding or forwarding on no answer to the CCM
system can be rung in parallel. This means that the user's telephone
will continue ringing while he or she is being paged.
- Enable parallel rining for CCM in Meet-Me operation
CHA-ZAND:TYPE=CCM,STNRNG=Y;